Regulator



FIG. 1 is an isometric perspective front view of a regulator according to the present invention;

FIG. 2 is a front view of the regulator of FIG. 1;

FIG. 3 is a bottom view of the regulator of FIG. 1;

FIG. 4 is a back view of the regulator of FIG. 1;

FIG. 5 is a right side view of the regulator of FIG. 1;

FIG. 6 is a left side view of the regulator of FIG. 1; and,

FIG. 7 is a top view of the regulator of FIG. 1.

The broken lines shown in the figures are for the purpose of illustrating-portions of the regulator and form no part of the claimed design. 

CLAIM The ornamental design for a regulator, as shown and described. 